Step 1: Concept.
Indian culture is known for its diversity — different religions, languages, traditions — yet the unifying spirit holds it together. Thus, "unity" is the key feature.
Step 2: Options.
(A) unity: Correct.
(B) tradition: Important, but not the underlying spirit.
(C) culture: Too vague.
(D) feeling: Not accurate.
Step 3: Conclusion.
Answer is (A) unity.
“One of these days you’re going to talk yourself into a load of trouble,” her father said aggressively. What do you learn about Sophie’s father from these lines? (Going Places)